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ARM: dts: at91-sama5d27_wlsom1: add i2c recovery
Add the i2c gpio pinctrls to support the i2c bus recovery on this board. Signed-off-by: Nicolas Ferre <nicolas.ferre@microchip.com> Reviewed-by: Codrin Ciubotariu <codrin.ciubotariu@microchip.com> Link: https://lore.kernel.org/r/20210117183558.5369-1-nicolas.ferre@microchip.com (cherry picked from commit 984d437) Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com>
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Lines changed: 20 additions & 2 deletions

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arch/arm/boot/dts/at91-sama5d27_wlsom1.dtsi

Lines changed: 20 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -43,14 +43,20 @@
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&i2c0 {
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pinctrl-0 = <&pinctrl_i2c0_default>;
46-
pinctrl-names = "default";
46+
pinctrl-1 = <&pinctrl_i2c0_gpio>;
47+
pinctrl-names = "default", "gpio";
48+
sda-gpios = <&pioA PIN_PD21 GPIO_ACTIVE_HIGH>;
49+
scl-gpios = <&pioA PIN_PD22 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
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status = "okay";
4851
};
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&i2c1 {
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dmas = <0>, <0>;
52-
pinctrl-names = "default";
55+
pinctrl-names = "default", "gpio";
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pinctrl-0 = <&pinctrl_i2c1_default>;
57+
pinctrl-1 = <&pinctrl_i2c1_gpio>;
58+
sda-gpios = <&pioA PIN_PD19 GPIO_ACTIVE_HIGH>;
59+
scl-gpios = <&pioA PIN_PD20 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
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status = "okay";
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mcp16502@5b {
@@ -258,12 +264,24 @@
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bias-disable;
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};
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267+
pinctrl_i2c0_gpio: i2c0_gpio {
268+
pinmux = <PIN_PD21__GPIO>,
269+
<PIN_PD22__GPIO>;
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bias-disable;
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};
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pinctrl_i2c1_default: i2c1_default {
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pinmux = <PIN_PD19__TWD1>,
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<PIN_PD20__TWCK1>;
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bias-disable;
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};
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279+
pinctrl_i2c1_gpio: i2c1_gpio {
280+
pinmux = <PIN_PD19__GPIO>,
281+
<PIN_PD20__GPIO>;
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bias-disable;
283+
};
284+
267285
pinctrl_macb0_default: macb0_default {
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pinmux = <PIN_PB14__GTXCK>,
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<PIN_PB15__GTXEN>,

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